what is fsi in tamilnadu? when will the building rules be notified?

1. For Non High Rise Buildings having height up to 18.3 M can have a maximum FSI of 2.0 with following conditions
a) With Dwelling units greater than 16 Nos or exceeds commercial building of 300 Sqm
i. Road width to be greater than 9.0 M
ii. Setbacks are as prescribed basis the building height
a) With Dwelling units less than 16nos or Commercial building less than 300 Sqm
i. Minimum road width is 3.0 M
ii. Maximum no of units are linked with the road width
iii. Set-backs and building height are linked with the road width
2. For High Rise Buildings exceeding 18.3 M the FSI again depends upon the road width and is as
i. FSI of 2.0 for Road width 12.0 M or more
ii. FSI of 2.5 for Road width 15.0 M or more
iii. FSI of 3.25 for road width 18.0 M or more
iv. Setbacks are as prescribed basis the building height
3. For above details and more like Premium FSI, FSI for other constructions e.g. hospitals, IT, malls etc. may kindly refer the TNCDBR,2019, latest issued building ru